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Housing:
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Instrument built-in in a cabinet of stainless steel, protected against ambient according to IP 55
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Method:
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UV-photometer with measurement path and reference-beam for the stabilisation of the lamp. Cold vapour atomic fluorescence.
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Cuvette:
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Quartz, optical path length 230 mm
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Lightsource:
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High frequency excited Mercury low pressure lamp, stabilised light output, temperature stabilised.
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Ranges:
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0 ... 500 µg Hg per Litre maximum range. Lowest range 0 ... 10 µg/l (higher concentration requires upstream dilution unit, available as option)
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Resolution:
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0,1 µg Hg per Litre Sample
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Rise time:
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0,5 to 2 minutes
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Sampling:
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Continuous sampling from bypass (maximum pressure on bypass is 500 mm H2O)
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Software:
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interactive operator prompting (according to EN 1483)
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Input:
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Moisture-proof membrane keyboard with 5 programmable keys
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Display:
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TFT-colour-display, graphic representation, back-lighting
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Output:
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Analogue output: 0 – 10 V (option 4...20 mA), RS 232 for digital data processing and software-update
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Pumps:
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2 peristaltic pumps with 3 pump-heads each (sample, KMnO4, Hydroxyl-Ammonium-Chloride, SnCl2, blank,
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Reagents
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Potassium-Permanganate, Hydroxyl-Ammonium-Chloride, Tin(II)Chloride, distilled water, mercury standard solution
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Supply of Regents
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Continuous transport of the reagents by peristaltic pumps, fasts response of signal due to continuous flow injection of reagents
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Reactor
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New designed reactor with reduced volume and purge module
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Zeroing
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Zeroing with built-in zero valve for blank solution or water, includes cleaning of the system
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Calibration
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Semi-manual calibration with standard solution at 50 % of maximum.
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Fuses:
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Photometer: T 2 A micro-fuse, Cabinet 16 A automatic cutout
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Operating temperature:
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5 – 40°C, for the best accuracy constant temperature of the photometer and the reagents is recommended. Air-conditioner recommended (option)
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Power Supply:
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125 – 240 VAC, 50 – 60 Hz, 400 VA, to be specified for installation
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Sampling:
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Sampling system with fast loop bypass, pre-filtering and pressure-less sampling point (Option).
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Dimensions:
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62 x 76 x 50 cm (w x h x d)
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Weight:
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Approx. 80 kg (depending on installed options)
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Provided with delivery:
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Hg-MAT1 NE in air-conditioned stainless-steel-cabinet, including photometer, state-of-the-art operating software and bins for reagents.
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Process analyser for online monitoring of elementary and ionic mercury in liquid samples, including dilution systems for high concentrations. Automatic backwash filters for high particulate load. Special application: process water monitoring in chlorine plants. Installations in all major chemical companies and at most chlorine plants.